General

  • Target

    b49d3def0686d947c6d36b1ab3b07a05520dfa2cb27f9228421a2dd20d5aa77f

  • Size

    4.2MB

  • Sample

    230607-mfbrhshf37

  • MD5

    ecab2f9f46b292bbbdbe88c5bf247067

  • SHA1

    018931b2f5bdf447311964a8f24be08a651da5ad

  • SHA256

    b49d3def0686d947c6d36b1ab3b07a05520dfa2cb27f9228421a2dd20d5aa77f

  • SHA512

    b9d468ccbfc9bc7a30c9dc4b566e2172f181413f8c3e9db5a256d334fb34b63dd2c7b7d1d632201b1b110758a3d9f1b272fc48dd59326ce95dbf69def6fb92f2

  • SSDEEP

    98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhS:V4pnQn9xB8w/epU

Malware Config

Targets

    • Target

      b49d3def0686d947c6d36b1ab3b07a05520dfa2cb27f9228421a2dd20d5aa77f

    • Size

      4.2MB

    • MD5

      ecab2f9f46b292bbbdbe88c5bf247067

    • SHA1

      018931b2f5bdf447311964a8f24be08a651da5ad

    • SHA256

      b49d3def0686d947c6d36b1ab3b07a05520dfa2cb27f9228421a2dd20d5aa77f

    • SHA512

      b9d468ccbfc9bc7a30c9dc4b566e2172f181413f8c3e9db5a256d334fb34b63dd2c7b7d1d632201b1b110758a3d9f1b272fc48dd59326ce95dbf69def6fb92f2

    • SSDEEP

      98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhS:V4pnQn9xB8w/epU

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks